How to Replace the Battery in Your Toyota 4Runner Key Fob (2010 – 2021)

Introduction

Replacing the battery in your Toyota 4Runner key fob is a straightforward task you can do at home. This guide will walk you through each step, ensuring you can get your key fob working again in no time. All you need is a flathead screwdriver and a CR1632 battery.

Amazon Basics 4-Pack 3 Volt CR1632 Lithium Coin Cell Battery, Long Lasting Power, Mercury-Free
  • IN THE BOX: 4-pack of CR1632 3-volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • LONG LASTING: Long-lasting, reliable battery life; performs in extreme temperatures

Tools and Materials Needed

Before starting, gather the necessary tools and materials. This will make the process smoother and quicker.

  • Flathead screwdriver
  • CR1632 battery

Step-by-Step Instructions

Follow these steps to replace the battery in your Toyota 4Runner key fob.

Step 1: Remove the Internal Key

First, locate the button on the side of the key fob. Hold this button down and pull out the internal key. This key will be used later to open the key fob.

Step 2: Open the Key Fob

With the internal key removed, you will notice a keyhole and a perpendicular indentation across from it. Insert your flathead screwdriver into this indentation and twist to open the key fob.

Step 3: Separate the Key Fob Halves

Carefully pull apart the key fob. Be cautious not to flip it over, as the buttons may fall out. Set the rubber component facing up to avoid any issues.

Step 4: Remove the Circuit Board

Using the corner of your flathead screwdriver, gently lift up the circuit board and set it aside. Underneath the circuit board, you will find the battery.

Step 5: Remove the Old Battery

With the circuit board oriented correctly, locate the small opening in the top right corner. Insert your screwdriver, hold the battery down, and pry it out.

Step 6: Insert the New Battery

Take your new CR1632 battery and ensure the positive side (the side with the text) is facing up. Click it into place, making sure it is secure.

Step 7: Reassemble the Key Fob

Place the back piece of plastic with the battery sitting on top of the circle. Click the front piece of plastic back together, ensuring everything is aligned correctly.

Step 8: Reinsert the Internal Key

Finally, put the internal key back into the key fob. Press the buttons to check if the light comes on, indicating the battery is working.

Amazon Basics 4-Pack 3 Volt CR1632 Lithium Coin Cell Battery, Long Lasting Power, Mercury-Free
  • IN THE BOX: 4-pack of CR1632 3-volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • LONG LASTING: Long-lasting, reliable battery life; performs in extreme temperatures

Troubleshooting Tips

If your key fob is not working after replacing the battery, consider these troubleshooting tips:

  • Ensure the battery is inserted correctly, with the positive side facing up.
  • Check if the battery is securely clicked into place.
  • Reassemble the key fob carefully, ensuring all components are aligned.

Frequently Asked Questions (FAQ)

What type of battery does the Toyota 4Runner key fob use?

The Toyota 4Runner key fob uses a CR1632 battery.

Amazon Basics 4-Pack 3 Volt CR1632 Lithium Coin Cell Battery, Long Lasting Power, Mercury-Free
  • IN THE BOX: 4-pack of CR1632 3-volt lithium coin cell replacement batteries for small electronic devices
  • DEVICE COMPATIBLE: Ideal for watches, calculators, games, medical devices, and more
  • LONG LASTING: Long-lasting, reliable battery life; performs in extreme temperatures

Can I use a different type of battery?

No, it is recommended to use a CR1632 battery for optimal performance and compatibility.

How often should I replace the key fob battery?

Typically, the battery should be replaced every 1-2 years, depending on usage.

What should I do if the key fob still doesn’t work after replacing the battery?

If the key fob still doesn’t work, double-check the battery orientation and ensure it is securely in place. If problems persist, consult a professional or visit your local Toyota dealer.

Conclusion

Replacing the battery in your Toyota 4Runner key fob is a simple task that can save you time and money. By following the steps outlined in this guide, you can easily get your key fob working again. Should you need further assistance, feel free to visit our detailed guide for more information.

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